A porpoise chokes on a shark

Orr, R. T.
Journal of Mammalogy (1937)

On March 9, 1937, a harbor porpoise (Phocaena phocoena) that had been found dead the previous day on Rockaway Beach, San Mateo County, California, was brought to the Department of…


Observations on Pacific cetaceans of Californian and Mexican waters

Norris, K. S.; Prescott, J. H.
University of California Publications in Zoology (1961)

(...) For five years we have systematically gathered information of every available kind related to these animals. Fifteen species have been observed in sufficient detail to be considered here. These…